How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/14100.0*Chance in playoffs100.0*Average seed
Deportivo Quito 3 Universitario de Sucre 1 -0.5
Week of 4/21100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Deportivo Quito 0 In
Universitario de Sucre 0 Estudiantes 0 In
Week of 4/28None
Chance Will Make Playoffs